DemoFor public education only. These blocks are built by PisoScan from published PhilGEPS records to show how a budget ledger like CADENA would work. No government agency created or signed them, and this is not an official ledger. How it works
Transaction details
APITransaction action
DEPARTMENT OF PUBLIC WORKS AND HIGHWAY COTABATO 3RD DEO Award a ₱17.8M contract to ANGKAT CONSTRUCTION AND SUPPLIESNational agencies
Transaction hash:
ff49f3f310f5e9cb71036ca2e46b429c443943911a574139a14a86c33096786f
Status:
Included and unchanged
Block:
#4,502 1,511 blocks after it
Position in block:
Transaction 223 of 224
Award day:
Jul 8, 2021 (5 yrs 4 mo ago)
Value:
₱17,802,032.15
Project:
20M00199
Full record:
Accountability
Bill Sec. 3 and 19Responsible agency:
Accountable officer:
Not stated in the source. PhilGEPS does not publish who certified the award.
Certification:
Not certified No agency signed this record. Under CADENA the accountable officer would sign it with their own key.
Demo signature:
Block #4,502 signature valid Demo key, proves nothing about the governmentPublic key
Linked records: from budget to payment
Bill Sec. 5- 1. AppropriationGAA line item · Sec. 5(b)DPWH lists the funding source as "Outside Infra - GAA 2020 DepEd BEFF", i.e. the FY2020 GAA. The exact UACS line is not given.Partly
- 2. Allotment releaseSARO / allotment · Sec. 5(c)(iii)Not published per project. DBM releases SAROs, but not linked to individual contracts.Not published
- 3. Cash allocationNotice of Cash Allocation · Sec. 5(c)(iv)Not published per project.Not published
- 4. Contract awardNotice of Award (PhilGEPS) · Sec. 5(d)DEPARTMENT OF PUBLIC WORKS AND HIGHWAY COTABATO 3RD DEO awarded it to ANGKAT CONSTRUCTION AND SUPPLIES on 2021-07-08.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 20M00199: Completed, 100% physical progress.Found
- 6. PaymentDisbursement voucher · Sec. 5(c)(viii)Not published. No public source shows how much of this contract has been paid.Not published
- 7. CompletionCertificate of completion · Sec. 5(d)DPWH marks the contract "Completed" (end 2022-04-20). The certificate itself is not published.Partly
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
2 of 8 documents found, 2 partly. Under CADENA every step would be published within 7 working days and linked to this record.
Tamper test: try changing this record
DemoEdit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.
- 1. Record fingerprint changedstored ff49f3f310…96786fnow …
- 2. Block Merkle root changedstored f082954a6e…6b1d72now …
- 3. Block #4502 hash changedstored 287d43bc18…d5db9fnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 223 records. Each step hashes the current value together with the sibling shown.
- leaf ff49f3f310f5e9cb71036ca2e46b429c443943911a574139a14a86c33096786f
- 01 L fa4e351393a616fedf8dabdf982c61daa8d290c2d80f029e2082a83bc8efe7d4
- 02 L 41ca376c006aff99400552b40f992a7f7f69472873b4f7c5d369aa9c71ca6a60
- 03 L b472b7be4881c28727a32812d827c71988712a4c71f77830e2b2719a28e6243d
- 04 L 817011df7ba366284ff1070f95699501afa3223ce3a64065a4208cb60a070f9a
- 05 L 3623d00c8fe75c1340fbbf15611b0af3ff1d0f83e1c3ea4f1c7b3a92a68843c3
- 06 R 838f3229fab25c7eb71a9b00868e5ddbd687e0a795a3c57d45e14c631ad0480b
- 07 L 8e27aef1d1549bd4ef9030672a27ba7d6938adb2188b1c46a22edfe4b20f56f4
- 08 L 4750120e6e097686300a2cc823e0866f976014e632b2ea910561485d52df873a
- root f082954a6e2103384b6ed22878a983f99543d0a8d67d8bef71253e37096b1d72